79948783 has 4 divisors (see below), whose sum is σ = 82527808. Its totient is φ = 77369760.

The previous prime is 79948777. The next prime is 79948787. The reversal of 79948783 is 38784997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38784997 = 3889 ⋅9973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79948783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79948787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289466 + ... + 1289527.

It is an arithmetic number, because the mean of its divisors is an integer number (20631952).

Almost surely, 2^79948783 is an apocalyptic number.

79948783 is a deficient number, since it is larger than the sum of its proper divisors (2579025).

79948783 is a wasteful number, since it uses less digits than its factorization.

79948783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579024.

The product of its digits is 3048192, while the sum is 55.

The square root of 79948783 is about 8941.4083342614. The cubic root of 79948783 is about 430.7949653083.

The spelling of 79948783 in words is "seventy-nine million, nine hundred forty-eight thousand, seven hundred eighty-three".